Microchip Technology

MIC38HC44BM  

AC DC Converters, Offline Switches

MIC38HC44BM Description

The MIC38HC44BM is a versatile offline switch-mode power supply controller designed for a wide range of power management applications. Manufactured by Microchip Technology, this IC supports multiple topologies including Boost, Buck, Flyback, and Forward, making it suitable for various power conversion needs. The device features an internal switch, simplifying the design and reducing the component count. It operates with a switching frequency of 500kHz, ensuring efficient power delivery and minimal electromagnetic interference (EMI).

The MIC38HC44BM is designed for surface mount applications, offering a compact and reliable solution for space-constrained designs. It supports a wide input voltage range of 9V to 20V, making it suitable for a variety of power sources. The device also includes frequency control features, allowing designers to optimize performance for specific applications. With a start-up voltage of 14.5V and a duty cycle of 50%, the MIC38HC44BM ensures stable and efficient operation.

MIC38HC44BM Features

• Multiple Topologies: Supports Boost, Buck, Flyback, and Forward topologies, providing flexibility for different power conversion requirements.
• Internal Switch: Reduces external component count and simplifies the design process.
• Frequency Control: Allows for precise control over the switching frequency, enhancing performance and efficiency.
• Wide Input Voltage Range: Operates efficiently within a 9V to 20V supply voltage range, accommodating various input sources.
• High Switching Frequency: 500kHz switching frequency ensures high efficiency and reduced EMI.
• Surface Mount Design: Ideal for compact and space-constrained applications.
• Output Isolation: Provides isolated output, ensuring safety and reliability in high-voltage applications.
• Moisture Sensitivity Level 1: Suitable for unlimited storage and handling, reducing the risk of moisture-related damage.
• REACH Unaffected: Complies with REACH regulations, ensuring environmental and health safety.

MIC38HC44BM Applications

The MIC38HC44BM is ideal for a variety of applications that require efficient power conversion and management. Its versatile topology support and wide input voltage range make it suitable for:

• Consumer Electronics: Power supplies for devices such as televisions, monitors, and gaming consoles.
• Industrial Equipment: Power management in industrial control systems, automation equipment, and machinery.
• Telecommunications: Power solutions for base stations, networking equipment, and communication devices.
• Automotive: Power management in automotive electronics, including infotainment systems and onboard diagnostics.
• Medical Devices: Power supplies for medical equipment where reliability and safety are paramount.

Conclusion of MIC38HC44BM

The MIC38HC44BM by Microchip Technology is a highly versatile and efficient power management IC, offering multiple topologies and advanced control features. Its wide input voltage range, high switching frequency, and internal switch make it an ideal solution for a variety of applications, from consumer electronics to industrial equipment. The device's compliance with REACH regulations and its moisture sensitivity level 1 rating ensure reliability and safety in various operating conditions. Overall, the MIC38HC44BM stands out as a robust and flexible power management solution, providing significant advantages over similar models in terms of performance, efficiency, and ease of integration.

MIC38HC44BM Documents

Download datasheets and manufacturer documentation for MIC38HC44BM

Datasheets :

MIC38HC42, 43, 44, 45      

HTML Datasheet :

MIC38HC42, 43, 44, 45      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH